package bat.ke.qq.com.bean;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

@Component
public class A {
	@Autowired   // field.set(obj,value)
	private B b;

	//  clazz.newInstance(constructor)
	public A(){
		this.b = b;
	}
}
